// source: URL dari aslinya Wokwi ini
// https://wokwi.com/projects/384299173271604225
// Basic demo for accelerometer readings from Adafruit MPU6050

// ESP32 Guide: https://RandomNerdTutorials.com/esp32-mpu-6050-accelerometer-gyroscope-arduino/
// ESP8266 Guide: https://RandomNerdTutorials.com/esp8266-nodemcu-mpu-6050-accelerometer-gyroscope-arduino/
// Arduino Guide: https://RandomNerdTutorials.com/arduino-mpu-6050-accelerometer-gyroscope/

#if CONFIG_FREERTOS_UNICORE
#define ARDUINO_RUNNING_CORE 0
#else
#define ARDUINO_RUNNING_CORE 1
#endif

#include <Adafruit_MPU6050.h>
#include <Adafruit_Sensor.h>
#include <Wire.h>
#include <WiFi.h>
// #include "IoT-02_wifiMng.h"
#include "IoT-02_mqttCredentials.h"
#include "IoT-02_mqttTopics.h"
#include "PubSubClient.h"
#include "ThingSpeak.h"

#include <math.h>

const char* WIFI_NAME = "Wokwi-GUEST";
const char* WIFI_PASSWORD = "";
const int myChannelNumber = 2554787;
const char* myApiKey = "L9CIVLKEGJB1KUQN";
const char* server = "api.thingspeak.com";

Adafruit_MPU6050 mpu;
WiFiClient client;

void setup(void) {
  Serial.begin(115200);
  while (!Serial)
    delay(10); // will pause Zero, Leonardo, etc until serial console opens

  
  WiFi.begin(WIFI_NAME, WIFI_PASSWORD);
  while (WiFi.status() != WL_CONNECTED){
    delay(1000);
    Serial.println("Wifi not connected");
  }
  Serial.println("Wifi connected !");
  Serial.println("Local IP: " + String(WiFi.localIP()));

  WiFi.mode(WIFI_STA);
  ThingSpeak.begin(client);
  
  Serial.println("Adafruit MPU6050 test!");

  // Try to initialize!
  if (!mpu.begin()) {
    Serial.println("Failed to find MPU6050 chip");
    while (1) {
      delay(10);
    }
  }
  Serial.println("MPU6050 Found!");

  mpu.setAccelerometerRange(MPU6050_RANGE_8_G);
  Serial.print("Accelerometer range set to: ");
  switch (mpu.getAccelerometerRange()) {
  case MPU6050_RANGE_2_G:
    Serial.println("+-2G");
    break;
  case MPU6050_RANGE_4_G:
    Serial.println("+-4G");
    break;
  case MPU6050_RANGE_8_G:
    Serial.println("+-8G");
    break;
  case MPU6050_RANGE_16_G:
    Serial.println("+-16G");
    break;
  }
  mpu.setGyroRange(MPU6050_RANGE_500_DEG);
  Serial.print("Gyro range set to: ");
  switch (mpu.getGyroRange()) {
  case MPU6050_RANGE_250_DEG:
    Serial.println("+- 250 deg/s");
    break;
  case MPU6050_RANGE_500_DEG:
    Serial.println("+- 500 deg/s");
    break;
  case MPU6050_RANGE_1000_DEG:
    Serial.println("+- 1000 deg/s");
    break;
  case MPU6050_RANGE_2000_DEG:
    Serial.println("+- 2000 deg/s");
    break;
  }

  mpu.setFilterBandwidth(MPU6050_BAND_5_HZ);
  Serial.print("Filter bandwidth set to: ");
  switch (mpu.getFilterBandwidth()) {
  case MPU6050_BAND_260_HZ:
    Serial.println("260 Hz");
    break;
  case MPU6050_BAND_184_HZ:
    Serial.println("184 Hz");
    break;
  case MPU6050_BAND_94_HZ:
    Serial.println("94 Hz");
    break;
  case MPU6050_BAND_44_HZ:
    Serial.println("44 Hz");
    break;
  case MPU6050_BAND_21_HZ:
    Serial.println("21 Hz");
    break;
  case MPU6050_BAND_10_HZ:
    Serial.println("10 Hz");
    break;
  case MPU6050_BAND_5_HZ:
    Serial.println("5 Hz");
    break;
  }
  

  Serial.println("");
  delay(100);
}

void loop() {
  /* Get new sensor events with the readings */
  sensors_event_t a, g, temp;
  mpu.getEvent(&a, &g, &temp);

  /* Print out the values */
  Serial.print("Acceleration X: ");
  Serial.print(a.acceleration.x);
  ThingSpeak.setField(1,a.acceleration.x);
  Serial.print(", Y: ");
  Serial.print(a.acceleration.y);
  ThingSpeak.setField(2,a.acceleration.y);
  Serial.print(", Z: ");
  Serial.print(a.acceleration.z);
  ThingSpeak.setField(3,a.acceleration.z);
  Serial.println(" m/s^2");

  Serial.print("Rotation X: ");
  Serial.print(g.gyro.x);
  ThingSpeak.setField(4,g.gyro.x);
  Serial.print(", Y: ");
  Serial.print(g.gyro.y);
  ThingSpeak.setField(5,g.gyro.y);
  Serial.print(", Z: ");
  Serial.print(g.gyro.z);
  ThingSpeak.setField(6,g.gyro.z);
  Serial.println(" rad/s");

  Serial.print("Temperature: ");
  Serial.print(temp.temperature);
  ThingSpeak.setField(7,temp.temperature);
  Serial.println(" degC");

  float total_accel = sqrtf(
    pow(a.acceleration.x, 2) + pow(a.acceleration.y,2) + pow(a.acceleration.z, 2)
  );
  
  ThingSpeak.setField(8, total_accel);

  int x = ThingSpeak.writeFields(myChannelNumber,myApiKey);
  if(x == 200){
    Serial.println("Data pushed successfull");
  }else{
    Serial.println("Push error" + String(x));
  }
  Serial.println("---");

  delay(15000);
}